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SP int: ARM64 optimization issue

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Make variables volatile to avoid compiler optimization issues.
This commit is contained in:
Sean Parkinson
2023-11-03 07:44:39 +10:00
parent 8fc754515a
commit cfb6560468
1 changed files with 6 additions and 0 deletions
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6
wolfcrypt/src/sp_int.c
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@ -14594,9 +14594,15 @@ static int _sp_sqr(const sp_int* a, sp_int* r)
}
#endif
if (err == MP_OKAY) {
#ifndef WOLFSSL_SP_INT_SQR_VOLATILE
sp_int_word w;
sp_int_word l;
sp_int_word h;
#else
volatile sp_int_word w;
volatile sp_int_word l;
volatile sp_int_word h;
#endif
#ifdef SP_WORD_OVERFLOW
sp_int_word o;
#endif